/*-
* Public platform independent Near Field Communication (NFC) library
*
* Copyright (C) 2009, Roel Verdult
* Copyright (C) 2010, Romuald Conty
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file nfc.h
* @brief libnfc interface
*
* Provide all usefull functions (API) to handle NFC devices.
*/
#ifndef _LIBNFC_H_
# define _LIBNFC_H_
# include <sys/time.h>
# include <stdint.h>
# include <stdbool.h>
# ifdef _WIN32
/* Windows platform */
# ifndef _WINDLL
/* CMake compilation */
# ifdef nfc_EXPORTS
# define NFC_EXPORT __declspec(dllexport)
# else
/* nfc_EXPORTS */
# define NFC_EXPORT __declspec(dllimport)
# endif
/* nfc_EXPORTS */
# else
/* _WINDLL */
/* Manual makefile */
# define NFC_EXPORT
# endif
/* _WINDLL */
# else
/* _WIN32 */
# define NFC_EXPORT
# endif
/* _WIN32 */
# include <nfc/nfc-types.h>
# ifdef __cplusplus
extern "C" {
# endif // __cplusplus
/* NFC Device/Hardware manipulation */
NFC_EXPORT bool nfc_get_default_device (nfc_connstring *connstring);
NFC_EXPORT nfc_device *nfc_connect (const nfc_connstring connstring);
NFC_EXPORT void nfc_disconnect (nfc_device *pnd);
NFC_EXPORT bool nfc_abort_command (nfc_device *pnd);
NFC_EXPORT void nfc_list_devices (nfc_connstring connstrings[], size_t connstrings_len, size_t *pszDeviceFound);
NFC_EXPORT bool nfc_configure (nfc_device *pnd, const nfc_device_option ndo, const bool bEnable);
NFC_EXPORT bool nfc_idle (nfc_device *pnd);
/* NFC initiator: act as "reader" */
NFC_EXPORT bool nfc_initiator_init (nfc_device *pnd);
NFC_EXPORT bool nfc_initiator_select_passive_target (nfc_device *pnd, const nfc_modulation nm, const uint8_t *pbtInitData, const size_t szInitData, nfc_target *pnt);
NFC_EXPORT bool nfc_initiator_list_passive_targets (nfc_device *pnd, const nfc_modulation nm, nfc_target ant[], const size_t szTargets, size_t *pszTargetFound);
NFC_EXPORT bool nfc_initiator_poll_target (nfc_device *pnd, const nfc_modulation *pnmTargetTypes, const size_t szTargetTypes, const uint8_t uiPollNr, const uint8_t uiPeriod, nfc_target *pnt);
NFC_EXPORT bool nfc_initiator_select_dep_target (nfc_device *pnd, const nfc_dep_mode ndm, const nfc_baud_rate nbr, const nfc_dep_info *pndiInitiator, nfc_target *pnt, const int timeout);
NFC_EXPORT bool nfc_initiator_deselect_target (nfc_device *pnd);
NFC_EXPORT bool nfc_initiator_transceive_bytes (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx, size_t *pszRx, int timeout);
NFC_EXPORT bool nfc_initiator_transceive_bits (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar);
NFC_EXPORT bool nfc_initiator_transceive_bytes_timed (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx, size_t *pszRx, uint32_t *cycles);
NFC_EXPORT bool nfc_initiator_transceive_bits_timed (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar, uint32_t *cycles);
/* NFC target: act as tag (i.e. MIFARE Classic) or NFC target device. */
NFC_EXPORT bool nfc_target_init (nfc_device *pnd, nfc_target *pnt, uint8_t *pbtRx, size_t *pszRx);
NFC_EXPORT bool nfc_target_send_bytes (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, int timeout);
NFC_EXPORT bool nfc_target_receive_bytes (nfc_device *pnd, uint8_t *pbtRx, size_t *pszRx, int timeout);
NFC_EXPORT bool nfc_target_send_bits (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar);
NFC_EXPORT bool nfc_target_receive_bits (nfc_device *pnd, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar);
/* Error reporting */
NFC_EXPORT const char *nfc_strerror (const nfc_device *pnd);
NFC_EXPORT int nfc_strerror_r (const nfc_device *pnd, char *pcStrErrBuf, size_t szBufLen);
NFC_EXPORT void nfc_perror (const nfc_device *pnd, const char *pcString);
/* Special data accessors */
NFC_EXPORT const char *nfc_device_name (nfc_device *pnd);
/* Misc. functions */
NFC_EXPORT void iso14443a_crc (uint8_t *pbtData, size_t szLen, uint8_t *pbtCrc);
NFC_EXPORT void iso14443a_crc_append (uint8_t *pbtData, size_t szLen);
NFC_EXPORT uint8_t *iso14443a_locate_historical_bytes (uint8_t *pbtAts, size_t szAts, size_t *pszTk);
NFC_EXPORT const char *nfc_version (void);
/* PN53x specific errors */
// TODO: Be not PN53x-specific here
#define ETIMEOUT 0x01
#define ECRC 0x02
#define EPARITY 0x03
#define EBITCOUNT 0x04
#define EFRAMING 0x05
#define EBITCOLL 0x06
#define ESMALLBUF 0x07
#define EBUFOVF 0x09
#define ERFTIMEOUT 0x0a
#define ERFPROTO 0x0b
#define EOVHEAT 0x0d
#define EINBUFOVF 0x0e
#define EINVPARAM 0x10
#define EDEPUNKCMD 0x12
#define EINVRXFRAM 0x13
#define EMFAUTH 0x14
#define ENSECNOTSUPP 0x18 // PN533 only
#define EBCC 0x23
#define EDEPINVSTATE 0x25
#define EOPNOTALL 0x26
#define ECMD 0x27
#define ETGREL 0x29
#define ECID 0x2a
#define ECDISCARDED 0x2b
#define ENFCID3 0x2c
#define EOVCURRENT 0x2d
#define ENAD 0x2e
/* PN53x framing-level errors */
#define EFRAACKMISMATCH 0x0100 /* Unexpected data */
#define EFRAISERRFRAME 0x0101 /* Error frame */
/* Communication-level errors */
#define ECOMIO 0x1000 /* Input/output error */
#define ECOMTIMEOUT 0x1001 /* Operation timeout */
/* Software level errors */
#define ETGUIDNOTSUP 0xFF00 /* Target UID not supported */
#define EOPABORT 0xFF01 /* Operation aborted */
#define EINVALARG 0xFF02 /* Invalid argument */
#define EDEVNOTSUP 0xFF03 /* Not supported by device */
#define ENOTIMPL 0xFF04 /* Not (yet) implemented in libnfc */
# ifdef __cplusplus
}
# endif // __cplusplus
#endif // _LIBNFC_H_